Math Chapter Wise Tangent, Normal, Increasing, Decreasing And Maxima/Minima Of A Function Of One Variable English MCQ PGT 2000, 2011 Q.The slope of the tangent to the curve x=t2 +3t–8, y = 2t2 –2t–5 at point (2,–1) is: A22/7 B–6 C6/7 DNone of these Show answer Correct answer: 6/7